| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Sigmodontinae | Sigmodontini | 627 |
| 2 | Sigmodontinae | Oryzomyini | 489 |
| 3 | Sigmodontinae | Thomasomyini | 16 |
| 4 | Sigmodontinae | Phyllotini | 12 |
| 5 | Sigmodontinae | Akodontini | 8 |
| 6 | Sigmodontinae | Abrotrichini | 5 |
| 7 | Sigmodontinae | Sigmodontinae incertae sedis | 3 |
| 8 | Sigmodontinae | Ichthyomyini | 2 |
| 9 | Sigmodontinae | Reithrodontini | 1 |